DESCRIPTION Residents of Dante's fiery inferno are doomed to suffer shin splints that burn like hell for all eternity. Don't worry, though. These red shield, half-rim frames w/ rose reflective lenses won't slip or bounce no matter how schweddy it is there. Made for Medium Noggins Just-right midsize sunnies. Mirrored Reflective Lenses Mirrored lenses reduce glare, hide your eyes, and come in vibrant colors. Frame Measurements Check the exact size of these frames. We use a special grip coating to construct our frame to help eliminate slippage when sweating. Our frame is snug and lightweight, with a comfortable fit to prevent bouncing while crushing any workout. We use glare-reducing, polarized lenses with UV400 protection that block 100% of those harmful UVA and UVB rays. Adjustable nose piece and a ventilated wrap lens for lightning-in-a-bottle athletes.